/**
 *       Copyright (c) 2012 Lukas Zaruba
 *
 *   This file is part of Robot Playground.
 *
 *   Robot Playground is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU Lesser General Public License as published by
 *   the Free Software Foundation, either version 3 of the License, or
 *   (at your option) any later version.
 *
 *   Robot Playground is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU Lesser General Public License for more details.
 *
 *   You should have received a copy of the GNU Lesser General Public License
 *   along with Robot Playground. If not, see <http://www.gnu.org/licenses/>.
 */
package net.zarubsys.commons.utils;

import java.lang.Thread.UncaughtExceptionHandler;

import org.apache.log4j.Logger;

/**
 * LoggingUncaughtExceptionHandler
 * 
 * This class can be useful when preparing a Thread.
 * Add this uncaught exception handler to prevent 
 * loosing crash information.
 *
 * @author Lukas Zaruba, lukas.zaruba@gmail.com
 */
public class LoggingUncaughtExceptionHandler implements UncaughtExceptionHandler {
	
	@Override
	public void uncaughtException(Thread t, Throwable e) {
		StackTraceElement[] stack = e.getStackTrace();
		String name = e.getClass().getName();
		if (stack.length > 0) {
			name = stack[0].getClassName();
		}
		Logger log = Logger.getLogger(name);
		log.error("Uncaught exception occured in thread '" + t.getName() + "'. " +
				"Thread has been terminated.\n", e);
	}
	
}

